OpenDNSSEC-signer 1.3.0rc3
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00001 /* 00002 * $Id: worker.h 5227 2011-06-12 08:51:24Z jakob $ 00003 * 00004 * Copyright (c) 2009 NLNet Labs. All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 00016 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00017 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 00019 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00020 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00021 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 00023 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 00024 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 00025 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 * 00027 */ 00028 00034 #ifndef DAEMON_WORKER_H 00035 #define DAEMON_WORKER_H 00036 00037 #include "scheduler/task.h" 00038 #include "shared/allocator.h" 00039 #include "shared/locks.h" 00040 00041 #include <time.h> 00042 00043 enum worker_enum { 00044 WORKER_NONE = 0, 00045 WORKER_WORKER = 1, 00046 WORKER_DRUDGER 00047 }; 00048 typedef enum worker_enum worker_id; 00049 00050 struct engine_struct; 00051 00052 typedef struct worker_struct worker_type; 00053 struct worker_struct { 00054 allocator_type* allocator; 00055 int thread_num; 00056 ods_thread_type thread_id; 00057 struct engine_struct* engine; 00058 task_type* task; 00059 task_id working_with; 00060 worker_id type; 00061 time_t clock_in; 00062 size_t jobs_appointed; 00063 size_t jobs_completed; 00064 size_t jobs_failed; 00065 int sleeping; 00066 int waiting; 00067 int need_to_exit; 00068 cond_basic_type worker_alarm; 00069 lock_basic_type worker_lock; 00070 }; 00071 00080 worker_type* worker_create(allocator_type* allocator, int num, worker_id type); 00081 00087 void worker_start(worker_type* worker); 00088 00096 void worker_sleep(worker_type* worker, time_t timeout); 00097 00105 void worker_sleep_unless(worker_type* worker, time_t timeout); 00106 00112 void worker_wakeup(worker_type* worker); 00113 00120 void worker_wait(lock_basic_type* lock, cond_basic_type* condition); 00121 00128 void worker_notify(lock_basic_type* lock, cond_basic_type* condition); 00129 00136 void worker_notify_all(lock_basic_type* lock, cond_basic_type* condition); 00137 00143 void worker_cleanup(worker_type* worker); 00144 00145 #endif /* DAEMON_WORKER_H */